Abstract
The study is conducted in order to identify the influence of microcontroller-based straight motion practicum media on the students' scientific processing skills. The study is a quasi-experimental research using non-equivalent control group. Then, when the study was conducted the population that had been involved was 24 students of Grade KR 1 Negeri 1 State Vocational High School Wonoasri as the control group and 30 students of Grade X IL 1 Negeri 1 State Vocational High School Wonoasri and 27 students of Grade X TPMI GulaRajawali Vocational High School Madiun as the experimental groups. The data gathering technique that had been implemented was written test on scientific processing skills with the following indicators: observing, hypothesizing, experiment designing, concluding and communicating. The results of the study show that in the control group the N-gain was 0.3 with "Moderate" category. On the contrary, in the experimental groups the implementation of microcontroller-based straight motion practicum media has influenced the improvement of the students' scientific processing skills; for the experimental groups, the N-gain is 0.6 with "Moderate" category.
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